CN104575423B - The driving method of liquid crystal panel - Google Patents
The driving method of liquid crystal panel Download PDFInfo
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- CN104575423B CN104575423B CN201410854121.2A CN201410854121A CN104575423B CN 104575423 B CN104575423 B CN 104575423B CN 201410854121 A CN201410854121 A CN 201410854121A CN 104575423 B CN104575423 B CN 104575423B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2077—Display of intermediate tones by a combination of two or more gradation control methods
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3685—Details of drivers for data electrodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0243—Details of the generation of driving signals
- G09G2310/0251—Precharge or discharge of pixel before applying new pixel voltage
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/06—Details of flat display driving waveforms
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0252—Improving the response speed
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Human Computer Interaction (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention, which discloses a kind of driving method of liquid crystal panel, to be included：When the grey decision-making of the liquid crystal panel is less than the first GTG, the data wire is driven using the first driving voltage, first driving voltage is the voltage of the driven of corresponding corresponding grey decision-making；When the grey decision-making of the liquid crystal panel is more than first GTG and during less than or equal to maximum gray, the driving of the data wire includes first stage and second stage, and the first stage, the first stage was before the second stage：The liquid crystal panel is driven using the second driving voltage, second driving voltage is less than or equal to first driving voltage, and second stage is：The liquid crystal panel is driven using the 3rd driving voltage, the 3rd driving voltage is the voltage of the driven of the corresponding grey decision-making of correspondence.The present invention can improve the bad phenomenon of finger pressure and lift the performance of liquid crystal display panel.
Description
Technical field
The present invention relates to the driving method of liquid crystal panel.
Background technology
Liquid crystal display compares traditional display, has the advantages that light, thin, low-power consumption, Low emissivity, is widely used in
The multiple fields such as computer, mobile phone, automobile display screen.With the extensive use of liquid crystal display, people are to liquid crystal display
The requirement more and more higher of device performance.
With the development of lcd technology, the display screen of plurality of display modes, wherein IPS (In-Plane are occurred in that
Switching, plane conversion) liquid crystal display panel and FFS (fringe field switching technology, Fringe Field Switching)
Liquid crystal display panel is liked with its higher viewing visual angle by users.
But as user with finger in IPS liquid crystal display panels or the enterprising line slip pressing operation of FFS liquid crystal display panels
When, the concealed wire (disclition line) in liquid crystal display panel can expand with the slip of finger, the liquid in such liquid crystal layer
Brilliant molecule can be transformed into vertical deflection or mix, if liquid crystal molecule can not be allowed to return to horizontal deflection state, liquid in time
LCD panel will produce point-like color spot (Trace mura), so as to influence the display quality of liquid crystal display panel.
Therefore, it is necessary to a kind of liquid crystal display panel and liquid crystal display device are provided, to solve asking present in prior art
Topic.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of driving method of liquid crystal panel, can drop improvement finger pressure not
Good phenomenon and the performance for lifting liquid crystal display panel.
To achieve these goals, embodiment of the present invention provides following technical scheme：
A kind of driving method of liquid crystal panel, the liquid crystal panel includes multirow gate line and multirow data wire, the grid
Polar curve is mutually perpendicular to intersect to form multiple pixels in array distribution, the driving method bag of the liquid crystal panel with the data wire
Include：When the grey decision-making of the liquid crystal panel is less than the first GTG, the data wire is driven using the first driving voltage, described the
One driving voltage is the voltage of the driven of corresponding corresponding grey decision-making；When the grey decision-making of the liquid crystal panel is more than institute
When stating the first GTG and being less than or equal to maximum gray, the driving of the data wire includes first stage and second stage, first
Stage, the first stage was before the second stage：The liquid crystal panel is driven using the second driving voltage, described the
Two driving voltages are less than or equal to first driving voltage, and second stage is：The liquid crystal surface is driven using the 3rd driving voltage
Plate, the 3rd driving voltage is the voltage of the driven of the corresponding grey decision-making of correspondence.
Wherein, when the grey decision-making of the liquid crystal panel is more than first GTG and less than maximum gray, described the
Also including the interstage between one stage and the second stage, the interstage is：Apply the 4th driving voltage, described
Four driving voltages are more than the 3rd driving voltage and less than saturation voltage, the response speed to lift the liquid crystal panel.
Wherein, the first stage, the interstage and the second stage are recurred successively.
Wherein, the first stage and the second stage are recurred.
Wherein, the switch of the gate line of m rows is opened into first time period, in the first time period, with institute
The normal drive voltage charging of the grey decision-making corresponding to the gate line of m rows is stated, the gate line of the m rows is then shut off
Switch, the switch of the gate line of m+n rows is opened into second time period, in the second time period, with described the
Two driving voltages are the gate line charging of the m+n rows, and m and n are the natural number more than or equal to 1.
Wherein, the first time period and the second time period are continuous, after second time period terminates, to m+1
Capable gate line charging, and use the normal drive voltage with the grey decision-making corresponding to the gate line of the m+1 rows.
The present invention by the liquid crystal panel grey decision-making be more than first GTG and less than maximum gray when, also
It is, in the high gray stage, to be charged using the driving voltage in two stages, including first stage and second stage, the first stage is in institute
Before stating second stage, the first stage is：The liquid crystal panel, the second driving electricity are driven using the second driving voltage
Pressure is less than or equal to first driving voltage, and second stage is：The liquid crystal panel is driven using the 3rd driving voltage, described the
Three driving voltages are the voltage of the driven of the corresponding grey decision-making of correspondence.Utilize the relatively low voltage driving of first stage, shape
Into stronger horizontal component of electric field, and weaker vertical electric field, the liquid crystal molecule for being conducive to finger to be stood after pressing replys lying status,
So as to reach the purpose for improving the bad phenomenon of finger pressure and the performance for lifting liquid crystal display panel.The normal voltage of second stage can
To approach saturation voltage, be conducive to improving the penetrance of liquid crystal panel.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the required accompanying drawing used in embodiment will be made below
Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained such as these accompanying drawings.
Fig. 1 is a kind of V-T Curve curve maps of the actual product measurement of liquid crystal panel.
Fig. 2 is the schematic diagram of the driving method for the liquid crystal panel that one embodiment of the present invention is provided.
Fig. 3 is the enlarged diagram of a Date waveform in Fig. 2.
Fig. 4 is the schematic diagram of the driving method for the liquid crystal panel that one embodiment of the present invention is provided.
Fig. 5 is the enlarged diagram of a Fig. 4 Date waveform.
Fig. 6 is the schematic diagram of the driving method for the liquid crystal panel that another embodiment of the present invention is provided.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is carried out clear
Chu, it is fully described by.
The present invention relates to a kind of driving method of liquid crystal panel, the liquid crystal panel includes multirow gate line and multirow data
Line, the gate line and the data wire are mutually perpendicular to intersect to form multiple pixels in array distribution, multirow gate line along
First direction is arranged parallel to each other, and multirow data wire is arranged parallel to each other along second direction, and first direction is perpendicular to second party
To the bearing of trend of gate line is considered as line direction, and the bearing of trend of data wire is considered as column direction.
Fig. 1 show the V-T Curve that a kind of actual product of liquid crystal panel is measured, and its saturation voltage is 4.5V, in liquid
Crystal panel changes driving voltage after lighting, and slides pressing panel with finger, finds the Trace when driving voltage is reduced to 3.5V
Mura phenomenons disappear in 2 seconds.The specification disappeared to meet Trace mura in 2 seconds drives electricity, it is necessary to reduce highest
Pressure is reduced to 3.5V from 4.5V, and the so serious penetrance for reducing liquid crystal display panel reduces panel luminance.
The driving method of the liquid crystal panel of the present invention includes：When the grey decision-making of the liquid crystal panel is less than the first GTG,
The data wire is driven using the first driving voltage, first driving voltage is the normal drive of corresponding corresponding grey decision-making
Dynamic voltage.The foundation being specifically defined of the first driving voltage under first gray scale states is：When finger presses liquid crystal panel,
The Trace mura phenomenons of liquid crystal panel can disappear within the defined time, be considered as liquid crystal panel and meet the requirements, described defined
Time is that user is directed to the time that liquid crystal panel is set, and such as 2 seconds, different users were to Trace after the finger pressure of liquid crystal panel
The time rule that mura phenomenons disappear is different, and when using the driving of the first driving voltage, Trace mura phenomenons can be in regulation
Time in disappear, grey decision-making in this case is the first GTG.When the grey decision-making of the liquid crystal panel is more than described first
GTG and during less than or equal to maximum gray, the driving of the data wire includes first stage and second stage, and the first stage exists
Before the second stage, the first stage is：The liquid crystal panel, second driving are driven using the second driving voltage
Voltage is less than or equal to first driving voltage, and second stage is：The liquid crystal panel is driven using the 3rd driving voltage, it is described
3rd driving voltage is the voltage of the driven of the corresponding grey decision-making of correspondence.
As shown in Figures 2 and 3, Fig. 2 includes Date waveforms, and Fig. 3 is the amplification signal of a Date waveform in Fig. 2
Figure.The grey decision-making of liquid crystal panel shown in Fig. 2 from L0 to L255, in figure L0 to Lm GTGs with corresponding normal driving voltage
Driving, Trace mura phenomenons are occurred without after pressing liquid crystal panel in L0 to Lm GTGs.L255 is driven with saturation voltage, in Lm
There are Trace mura phenomenons after finger pressing liquid crystal panel in L255 GTGs, thus the present invention driving method by Lm extremely
The driving that L255 data waveforms are divided into the I, the II two benches, i.e. data wire includes first stage (I is expressed as in Fig. 3) and second
Stage (is expressed as II) in Fig. 3.Second driving voltage of the use in the first stage is small compared with the 3rd driving voltage of second stage
0.5 to 1.3V, and the 3rd driving voltage can be saturation voltage.
The first stage is to drive liquid crystal panel using the low voltage of the normal drive voltage of more corresponding grey decision-making,
When finger presses liquid crystal panel, liquid crystal molecule is in standing state, and relatively low voltage is conducive to liquid crystal molecule to recover lying status,
Thus eliminating the need trace mura, i.e. finger pressure are bad, phenomenon.Second stage use the 3rd driving voltage, can approach or
Equal to saturation voltage, it is possible to increase the penetrance of liquid crystal display panel.
In one embodiment of the present invention, when the grey decision-making of the liquid crystal panel is more than first GTG and less than maximum
During GTG, also including the interstage between the first stage and the second stage, the interstage is：Apply the 4th
Driving voltage, the 4th driving voltage is more than the 3rd driving voltage and less than saturation voltage, to lift the liquid crystal
The response speed of panel.That is, after a relatively low voltage is applied with so that liquid crystal molecule recovers to lie low, then applying one
The magnitude of voltage of the individual normal drive voltage higher than corresponding grey decision-making drives liquid crystal panel, in order to improve liquid crystal panel
Response time.
As shown in Figure 4 and Figure 5, Fig. 4 includes Date waveforms, and Fig. 5 is the amplification signal of a Date waveform in Fig. 4
Figure.L0 is driven to Lm GTGs with corresponding normal driving voltage in figure, is pressed in L0 to Lm GTGs after liquid crystal panel not
There are Trace mura phenomenons.There are Trace mura phenomenons after finger pressing liquid crystal panel in Lm to L255 GTGs, by Lm
Data waveforms to L255 are divided into three phases, and the first stage (I is expressed as in Fig. 5) is the low-voltage for eliminating trace mura,
Interstage (II is expressed as in Fig. 5) is the over driver stages, that is, applies the 4th driving voltage, the 4th driving voltage
More than the 3rd driving voltage and less than saturation voltage, it is to lift the response speed of the liquid crystal panel this stage purpose
LC response speed is improved, second stage (III is expressed as in Fig. 5) is to charge normal the stage.
Specifically, in a kind of embodiment, the first stage, the interstage and the second stage are successively
Recur.That is, there is no time interval between three phases.In another embodiment, driving method does not include
In the interstage, first stage and second stage are only included, the first stage and the second stage are recurred.
In one embodiment of the present invention, the switch of the gate line of m rows is opened into first time period, described the
In one period, charged with the normal drive voltage of the grey decision-making corresponding to the gate line of the m rows, be then shut off described the
The switch of the gate line of m rows, opens second time period, at described second by the switch of the gate line of m+n rows
Between in section, charged using second driving voltage as the gate line of the m+n rows, m and n are the natural number more than or equal to 1.
The first time period is continuous with the second time period, after second time period terminates, and the gate line of m+1 rows is filled
Electricity, and use the normal drive voltage with the grey decision-making corresponding to the gate line of the m+1 rows.To the gate line of m+1 rows
The time of charging is identical with the time of first time period, after the gate line charging of m+1 rows, to the grid of m+1+n rows
Polar curve is charged with the second driving voltage, the time charged to the gate line of m+1+n rows and second time period
Time it is identical.Next circulation carries out above-mentioned driving method.Second driving voltage than corresponding grey decision-making gate line just
Normal driving voltage is low, with such a relatively low voltage, is conducive to the fast quick-recovery lying status of liquid crystal molecule, eliminates
Trace mura, i.e. finger pressure bad phenomenon.
The size of time interval and n values between the first time period and second time period that are charged to the first row gate line into
Direct ratio, n is bigger, and the time interval between first time period and second time period is longer, during n=1, first time period and when second
Between time interval between section be zero, that is, to same a line gate line first to a relatively low voltage, then again to normal electricity
Pressure is charged.
Specifically referring to Fig. 6, showing m rows to the gate line (Gate waveforms) and data wire of m+n rows in Fig. 6
(Data waveforms), what transverse axis was represented is time T.Next line is not supplied immediately after being closed per a line gate opening times t1 chargings
Charging, but reserve a period of time t2 to carry out a certain row below one low potential charging to eliminate trace mura hair
It is raw.As illustrated, m rows (m=0,1,2 ... 255) gate open after the t1 times charge normal, the t2 times to m+n rows (n=1,
2 ...) low potential preliminary filling is carried out, the purpose of low potential preliminary filling, which is supplied with after m+n rows one are pressed compared with low potential by finger, stands
Liquid crystal reply lying status, so circulation has a low potential charging stage per one-row pixels and one charges normal rank
Section, the two stages in time can be discontinuous, during n=1, is continuous.
Relatively low voltage and normal voltage of the present invention are the voltage corresponding to relatively corresponding grey decision-making, ash
Rank value is higher, and required normal drive voltage is bigger.Therefore, when grey decision-making is smaller, it is not necessary to the charging in two stages, only
Driven with its corresponding normal voltage, be also not in trace mura phenomenons.When grey decision-making is larger, if with corresponding to it
Normal voltage driving, it may appear that trace mura phenomenons, it is therefore desirable to the driving in two stages, first with relatively low voltage, disappears
Except applying normal voltage again after trace mura phenomenons.
The present invention by the liquid crystal panel grey decision-making be more than first GTG and less than maximum gray when, also
It is, in the high gray stage, to be charged using the driving voltage in two stages, including first stage and second stage, the first stage is in institute
Before stating second stage, the first stage is：The liquid crystal panel, the second driving electricity are driven using the second driving voltage
Pressure is less than or equal to first driving voltage, and second stage is：The liquid crystal panel is driven using the 3rd driving voltage, described the
Three driving voltages are the voltage of the driven of the corresponding grey decision-making of correspondence.Utilize the relatively low voltage driving of first stage, shape
Into stronger horizontal component of electric field, and weaker vertical electric field, the liquid crystal molecule for being conducive to finger to be stood after pressing replys lying status,
So as to reach the purpose for improving the bad phenomenon of finger pressure and the performance for lifting liquid crystal display panel.And the 3rd driving of second stage
Voltage is higher, can lift the penetrance of liquid crystal display panel close to saturation voltage.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (6)
1. a kind of driving method of liquid crystal panel, the liquid crystal panel includes multirow gate line and multirow data wire, the grid
Line is mutually perpendicular to intersect to form multiple pixels in array distribution with the data wire, it is characterised in that the liquid crystal panel
Driving method includes：
When the grey decision-making of the liquid crystal panel is less than the first GTG, the data wire is driven using the first driving voltage, it is described
First driving voltage is the voltage of the driven of corresponding corresponding grey decision-making；
When the grey decision-making of the liquid crystal panel is more than first GTG and is less than or equal to maximum gray, the data wire
Driving includes first stage and second stage, and the first stage, the first stage was before the second stage：Using second
Driving voltage drives the liquid crystal panel, and second driving voltage is less than or equal to first driving voltage, and second stage is：
The liquid crystal panel is driven using the 3rd driving voltage, the 3rd driving voltage is the driven of the corresponding grey decision-making of correspondence
Voltage.
2. the driving method of liquid crystal panel as claimed in claim 1, it is characterised in that when the grey decision-making of the liquid crystal panel is big
In first GTG and less than maximum gray when, between the first stage and the second stage also include scala media
Section, the interstage is：Apply the 4th driving voltage, the 4th driving voltage is more than the 3rd driving voltage and is less than
Saturation voltage, the response speed to lift the liquid crystal panel.
3. the driving method of liquid crystal panel as claimed in claim 2, it is characterised in that the first stage, the scala media
Section and the second stage are recurred successively.
4. the driving method of liquid crystal panel as claimed in claim 1, it is characterised in that the first stage and the second-order
Section is recurred.
5. the driving method of liquid crystal panel as claimed in claim 1, it is characterised in that by opening for the gate line of m rows
Close and open first time period, in the first time period, with the normal drive of the grey decision-making corresponding to the gate line of the m rows
Dynamic voltage charging, is then shut off the switch of the gate line of the m rows, the switch of the gate line of m+n rows is beaten
Second time period is opened, in the second time period, is charged using second driving voltage as the gate line of the m+n rows, m
It is the natural number more than or equal to 1 with n.
6. the driving method of liquid crystal panel as claimed in claim 5, it is characterised in that the first time period and described second
Period is continuous, after second time period terminates, and the gate line of m+1 rows is charged, and use the grid with the m+1 rows
The normal drive voltage of grey decision-making corresponding to polar curve.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854121.2A CN104575423B (en) | 2014-12-31 | 2014-12-31 | The driving method of liquid crystal panel |
| US14/435,517 US9766740B2 (en) | 2014-12-31 | 2015-01-21 | Method for driving liquid crystal panel |
| PCT/CN2015/071216 WO2016106902A1 (en) | 2014-12-31 | 2015-01-21 | Liquid crystal panel driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410854121.2A CN104575423B (en) | 2014-12-31 | 2014-12-31 | The driving method of liquid crystal panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104575423A CN104575423A (en) | 2015-04-29 |
| CN104575423B true CN104575423B (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410854121.2A Active CN104575423B (en) | 2014-12-31 | 2014-12-31 | The driving method of liquid crystal panel |
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| Country | Link |
|---|---|
| US (1) | US9766740B2 (en) |
| CN (1) | CN104575423B (en) |
| WO (1) | WO2016106902A1 (en) |
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|---|---|---|---|---|
| CN112130360A (en) * | 2020-09-29 | 2020-12-25 | 厦门天马微电子有限公司 | Display panel, display device and display method |
| CN113066415B (en) * | 2021-03-01 | 2023-01-24 | 惠科股份有限公司 | Display panel charging method and device and display terminal |
| KR20220136539A (en) * | 2021-03-30 | 2022-10-11 | 삼성디스플레이 주식회사 | Display device and proximity sensing method using input sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001318658A (en) * | 2000-03-02 | 2001-11-16 | Sharp Corp | Liquid crystal display device |
| KR100537609B1 (en) * | 2001-12-27 | 2005-12-19 | 삼성에스디아이 주식회사 | Method of driving cholestric liquid crystal display panel for accurate gray-scale display |
| JP2004279482A (en) * | 2003-03-12 | 2004-10-07 | Sharp Corp | Display device |
| JP2004317785A (en) * | 2003-04-16 | 2004-11-11 | Seiko Epson Corp | Driving method of electro-optical device, electro-optical device, and electronic apparatus |
| CN100576309C (en) * | 2007-10-31 | 2009-12-30 | 友达光电股份有限公司 | Pixel drive method |
| KR20120049022A (en) * | 2010-11-08 | 2012-05-16 | 삼성모바일디스플레이주식회사 | Liquid crystal display device and driving method of the same |
| KR101798489B1 (en) * | 2011-01-14 | 2017-11-17 | 삼성디스플레이 주식회사 | Device for generating gamma, LCD and Method for driving the LCD |
| CN102890916B (en) * | 2011-07-18 | 2015-05-13 | 财团法人工业技术研究院 | Driving method of multi-stable display |
| KR101450949B1 (en) * | 2011-10-04 | 2014-10-16 | 엘지디스플레이 주식회사 | Organic light-emitting display device |
| US9013384B2 (en) * | 2012-06-08 | 2015-04-21 | Apple Inc. | Systems and methods for reducing or eliminating mura artifact using contrast enhanced imagery |
| CN102855856B (en) * | 2012-08-30 | 2016-04-13 | 南京中电熊猫液晶显示科技有限公司 | A kind of driving method and liquid crystal display thereof eliminating liquid crystal display Mura |
| KR20140145429A (en) * | 2013-06-13 | 2014-12-23 | 삼성디스플레이 주식회사 | Display device |
| CN103943077B (en) * | 2013-12-03 | 2017-01-04 | 厦门天马微电子有限公司 | The control method of a kind of display device driving voltage and display device |
-
2014
- 2014-12-31 CN CN201410854121.2A patent/CN104575423B/en active Active
-
2015
- 2015-01-21 WO PCT/CN2015/071216 patent/WO2016106902A1/en active Application Filing
- 2015-01-21 US US14/435,517 patent/US9766740B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20160342261A1 (en) | 2016-11-24 |
| US9766740B2 (en) | 2017-09-19 |
| WO2016106902A1 (en) | 2016-07-07 |
| CN104575423A (en) | 2015-04-29 |
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